129256-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129256-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,5 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129256-45:
(8*1)+(7*2)+(6*9)+(5*2)+(4*5)+(3*6)+(2*4)+(1*5)=137
137 % 10 = 7
So 129256-45-7 is a valid CAS Registry Number.
129256-45-7Relevant academic research and scientific papers
Inter- und intramolekulare Acylwanderungen an 1(9)H-2,3-Dihydro-imidazobenzimidazolen
Graubaum, H.,Ozegowski, R.
, p. 83 - 92 (2007/10/02)
The new imidazobenzimidazoles (3) react with electrophiles like aroyl chlorides, isocyanates, cyanates, chloroformates and chlorothioformates to give the 9-acyl derivatives (4a-l).At higher temperatures intermolecular acyl transfer takes place to g
